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(1922–2017). U.S. physicist Hans Georg Dehmelt was born in Görlitz, Germany and emigrated to the U.S. in 1952. He was on the faculty of the University of Washington from 1955 and elected to the National Academy of Sciences in 1978. Dehmelt shared the 1989 Nobel prize for inventing the Penning trap, a device that captures electrically charged subatomic particles for precise study. He was awarded the National Medal of Science in 1995.

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